Automatic Balance Attachment for Windmills., patent, December 23, 1902; (https://texashistory.unt.edu/ark:/67531/metapth509030/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Automatic Balance Attachment for Windmills., patent, December 23, 1902; (https://texashistory.unt.edu/ark:/67531/metapth509030/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .